Al2O3 + H2SO4 → Al2(SO4)3 + H2O
Fe2O3 + HNO3 → Fe(NO3)3 + H2O
Ca(HCO4)2 → CaCO3 + H2O + CO2
FeSO4 + NaOH → Fe(OH)2 + Na2SO4
Fe2(SO4)3 + KOH → Fe(OH)3 + K2SO4
Cu(NO3)2 → CuO + NO2 + O2
CaCO3 + HCl → CaCl2 + H2O + CO2
Fe(OH)3 + H2SO4 → Fe2(SO4)3 + H2O
Al2(SO4)3 + BaCl2 → BaSO4 + AlCl3
KOH + CO2 → K2CO3 + H2O
СРОЧНО ПОЖАЛУЙСТА!!!!!!!!!!!!
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